Spot¶
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class
libra.starspots.
Spot
(x=None, y=None, z=None, r=None, stellar_radius=1, contrast=None)[source] [edit on github]¶ Bases:
object
Properties of a starspot.
Parameters: x : float
X position [stellar radii]
y : float
Y position [stellar radii]
z : float
Z position [stellar radii], default is
z=sqrt(r_star^2 - x^2 - y^2)
.r : float
Spot radius [stellar radii], default is
r=1
.stellar_radius : float
Radius of the star, in the same units as
x,y,z,r
. Default is 1.Methods Summary
from_latlon
(latitude, longitude, radius[, …])Construct a spot from latitude, longitude coordinates from_sunspot_distribution
([mean_latitude, …])Parameters: Methods Documentation
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classmethod
from_latlon
(latitude, longitude, radius, contrast=None)[source] [edit on github]¶ Construct a spot from latitude, longitude coordinates
Parameters: latitude : float
Spot latitude [deg]
longitude : float
Spot longitude [deg]
radius : float
Spot radius [stellar radii]
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classmethod
from_sunspot_distribution
(mean_latitude=15, radius_multiplier=1, contrast=0.7)[source] [edit on github]¶ Parameters: mean_latitude : float
Define the mean absolute latitude of the two symmetric active latitudes, where
mean_latitude > 0
.
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classmethod